From 62e7c033c02149966c00100f3c256e2eb3fc3536 Mon Sep 17 00:00:00 2001
From: Brian <brian@nostromo.localnet.net>
Date: Sun, 28 Jan 2007 16:11:11 -0700
Subject: implement mix() with LRP instruction

---
 src/mesa/shader/slang/slang_ir.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/mesa/shader/slang/slang_ir.h')

diff --git a/src/mesa/shader/slang/slang_ir.h b/src/mesa/shader/slang/slang_ir.h
index 24ed8e0..5617c56 100644
--- a/src/mesa/shader/slang/slang_ir.h
+++ b/src/mesa/shader/slang/slang_ir.h
@@ -63,6 +63,7 @@ typedef enum
    IR_DOT4,
    IR_DOT3,
    IR_CROSS,   /* vec3 cross product */
+   IR_LRP,
    IR_MIN,
    IR_MAX,
    IR_SEQUAL,  /* Set if args are equal */
@@ -115,11 +116,12 @@ typedef struct _slang_ir_storage slang_ir_storage;
 
 /**
  * Intermediate Representation (IR) tree node
+ * Basically a binary tree, but IR_LRP has three children.
  */
 typedef struct slang_ir_node_
 {
    slang_ir_opcode Opcode;
-   struct slang_ir_node_ *Children[2];
+   struct slang_ir_node_ *Children[3];
    const char *Comment;
    const char *Target;
    GLuint Writemask;  /**< If Opcode == IR_MOVE */
-- 
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